Checking in changes prior to tagging of version 0.12.

Changelog diff is:

diff --git a/Changes b/Changes
index 6012b70..2dea174 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension Test-Kantan

 {{$NEXT}}

+0.12 2014-03-04T11:51:00Z
+
+    - Better diag for Expect#is
+
 0.11 2014-03-04T11:09:30Z

     - Added Expect#isnt method